// var arr2:number[] = new Array(1, 2, 3)
var arr2 = new Array(1, 2, 3, 100, 200);
var arr3 = ["one", "two", "three"];
// 属性
console.log(arr3.length);
// 方法
// 如果都是any可以连接，如果指定了number 和 string则会编译报错
console.log(arr3.concat(arr2));
function bigNumber(val, index, array) {
    return val > 10;
}
var flag = [10, 11, 12, 123].every(bigNumber);
console.log("every is :" + flag);
// some指是否有至少一个符合条件，符合就true，否则false，every是指每一个
var flag2 = [10, 12].some(bigNumber);
console.log("some is :" + flag2);
console.log(arr2.filter(bigNumber));
arr2.forEach(function (val) { return console.log(val); });
console.log(arr2.indexOf(100));
// 数子数组可以join吗
console.log(arr2.join(","));
console.log("match sqrt:" + arr2.map(Math.sqrt));
console.log(arr2.pop());
console.log(arr2.push(300));
console.log(arr2.reverse());
console.log(arr2.reduce(function (a, b) { return a + b; }));
console.log(arr2.reduceRight(function (a, b) { return a + b; }));
// 删除并返回第一个数字
console.log(arr2.shift());
console.log(arr2.sort());
console.log(arr2.slice(1, 2));
// 删除的起点，数量和元素
console.log(arr2.splice(1, 1, 100));
// 开头添加元素
console.log(arr2.unshift(10000));
console.log(arr2.toString());
